* elfxx-mips.c (LA25_LUI_MICROMIPS_1, LA25_LUI_MICROMIPS_2):

	Remove macros, folding them into...
	(LA25_LUI_MICROMIPS): ... this new macro.
	(LA25_J_MICROMIPS_1, LA25_J_MICROMIPS_2): Likewise into...
	(LA25_J_MICROMIPS): ... this new macro.
	(LA25_ADDIU_MICROMIPS_1, LA25_ADDIU_MICROMIPS_2): Likewise
	into...
	(LA25_ADDIU_MICROMIPS): ... this new macro.
	(bfd_put_micromips_32, bfd_get_micromips_32): New functions.
	(mips_elf_create_la25_stub): Use them.
	(check_br32_dslot, check_br32, check_relocated_bzc): Likewise.
	(_bfd_mips_elf_relax_section): Likewise.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 3f40b9e..a52027d 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,18 @@
+2012-08-09  Maciej W. Rozycki  <macro@codesourcery.com>
+
+       * elfxx-mips.c (LA25_LUI_MICROMIPS_1, LA25_LUI_MICROMIPS_2):
+       Remove macros, folding them into...
+       (LA25_LUI_MICROMIPS): ... this new macro.
+       (LA25_J_MICROMIPS_1, LA25_J_MICROMIPS_2): Likewise into...
+       (LA25_J_MICROMIPS): ... this new macro.
+       (LA25_ADDIU_MICROMIPS_1, LA25_ADDIU_MICROMIPS_2): Likewise
+       into...
+       (LA25_ADDIU_MICROMIPS): ... this new macro.
+       (bfd_put_micromips_32, bfd_get_micromips_32): New functions.
+       (mips_elf_create_la25_stub): Use them.
+       (check_br32_dslot, check_br32, check_relocated_bzc): Likewise.
+       (_bfd_mips_elf_relax_section): Likewise.
+
 2012-08-09  Alan Modra  <amodra@gmail.com>
            Tom Tromey  <tromey@redhat.com>
 

diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index 82743ac..2a4c278 100644 (file)
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -306,12 +306,12 @@ struct mips_elf_la25_stub {
 #define LA25_LUI(VAL) (0x3c190000 | (VAL))     /* lui t9,VAL */
 #define LA25_J(VAL) (0x08000000 | (((VAL) >> 2) & 0x3ffffff)) /* j VAL */
 #define LA25_ADDIU(VAL) (0x27390000 | (VAL))   /* addiu t9,t9,VAL */
-#define LA25_LUI_MICROMIPS_1(VAL) (0x41b9)     /* lui t9,VAL */
-#define LA25_LUI_MICROMIPS_2(VAL) (VAL)
-#define LA25_J_MICROMIPS_1(VAL) (0xd400 | (((VAL) >> 17) & 0x3ff)) /* j VAL */
-#define LA25_J_MICROMIPS_2(VAL) ((VAL) >> 1)
-#define LA25_ADDIU_MICROMIPS_1(VAL) (0x3339)   /* addiu t9,t9,VAL */
-#define LA25_ADDIU_MICROMIPS_2(VAL) (VAL)
+#define LA25_LUI_MICROMIPS(VAL)                                                \
+  (0x41b90000 | (VAL))                         /* lui t9,VAL */
+#define LA25_J_MICROMIPS(VAL)                                          \
+  (0xd4000000 | (((VAL) >> 1) & 0x3ffffff))    /* j VAL */
+#define LA25_ADDIU_MICROMIPS(VAL)                                      \
+  (0x33390000 | (VAL))                         /* addiu t9,t9,VAL */
 
 /* This structure is passed to mips_elf_sort_hash_table_f when sorting
    the dynamic symbols.  */
@@ -1013,6 +1013,23 @@ static const bfd_vma mips_vxworks_shared_plt_entry[] =
   0x24180000   /* li t8, <pltindex>    */
 };
 \f
+/* microMIPS 32-bit opcode helper installer.  */
+
+static void
+bfd_put_micromips_32 (const bfd *abfd, bfd_vma opcode, bfd_byte *ptr)
+{
+  bfd_put_16 (abfd, (opcode >> 16) & 0xffff, ptr);
+  bfd_put_16 (abfd,  opcode        & 0xffff, ptr + 2);
+}
+
+/* microMIPS 32-bit opcode helper retriever.  */
+
+static bfd_vma
+bfd_get_micromips_32 (const bfd *abfd, const bfd_byte *ptr)
+{
+  return (bfd_get_16 (abfd, ptr) << 16) | bfd_get_16 (abfd, ptr + 2);
+}
+\f
 /* Look up an entry in a MIPS ELF linker hash table.  */
 
 #define mips_elf_link_hash_lookup(table, string, create, copy, follow) \
@@ -9777,14 +9794,12 @@ mips_elf_create_la25_stub (void **slot, void *data)
       loc += offset;
       if (ELF_ST_IS_MICROMIPS (stub->h->root.other))
        {
-         bfd_put_16 (hti->output_bfd, LA25_LUI_MICROMIPS_1 (target_high),
-                     loc);
-         bfd_put_16 (hti->output_bfd, LA25_LUI_MICROMIPS_2 (target_high),
-                     loc + 2);
-         bfd_put_16 (hti->output_bfd, LA25_ADDIU_MICROMIPS_1 (target_low),
-                     loc + 4);
-         bfd_put_16 (hti->output_bfd, LA25_ADDIU_MICROMIPS_2 (target_low),
-                     loc + 6);
+         bfd_put_micromips_32 (hti->output_bfd,
+                               LA25_LUI_MICROMIPS (target_high),
+                               loc);
+         bfd_put_micromips_32 (hti->output_bfd,
+                               LA25_ADDIU_MICROMIPS (target_low),
+                               loc + 4);
        }
       else
        {
@@ -9798,16 +9813,12 @@ mips_elf_create_la25_stub (void **slot, void *data)
       loc += offset;
       if (ELF_ST_IS_MICROMIPS (stub->h->root.other))
        {
-         bfd_put_16 (hti->output_bfd, LA25_LUI_MICROMIPS_1 (target_high),
-                     loc);
-         bfd_put_16 (hti->output_bfd, LA25_LUI_MICROMIPS_2 (target_high),
-                     loc + 2);
-         bfd_put_16 (hti->output_bfd, LA25_J_MICROMIPS_1 (target), loc + 4);
-         bfd_put_16 (hti->output_bfd, LA25_J_MICROMIPS_2 (target), loc + 6);
-         bfd_put_16 (hti->output_bfd, LA25_ADDIU_MICROMIPS_1 (target_low),
-                     loc + 8);
-         bfd_put_16 (hti->output_bfd, LA25_ADDIU_MICROMIPS_2 (target_low),
-                     loc + 10);
+         bfd_put_micromips_32 (hti->output_bfd,
+                               LA25_LUI_MICROMIPS (target_high), loc);
+         bfd_put_micromips_32 (hti->output_bfd,
+                               LA25_J_MICROMIPS (target), loc + 4);
+         bfd_put_micromips_32 (hti->output_bfd,
+                               LA25_ADDIU_MICROMIPS (target_low), loc + 8);
          bfd_put_32 (hti->output_bfd, 0, loc + 12);
        }
       else
@@ -12340,7 +12351,7 @@ check_br32_dslot (bfd *abfd, bfd_byte *ptr)
   unsigned long opcode;
   int bdsize;
 
-  opcode = (bfd_get_16 (abfd, ptr) << 16) | bfd_get_16 (abfd, ptr + 2);
+  opcode = bfd_get_micromips_32 (abfd, ptr);
   if (find_match (opcode, ds_insns_32_bd32) >= 0)
     /* 32-bit branch/jump with a 32-bit delay slot.  */
     bdsize = 4;
@@ -12385,7 +12396,7 @@ check_br32 (bfd *abfd, bfd_byte *ptr, unsigned long reg)
 {
   unsigned long opcode;
 
-  opcode = (bfd_get_16 (abfd, ptr) << 16) | bfd_get_16 (abfd, ptr + 2);
+  opcode = bfd_get_micromips_32 (abfd, ptr);
   if (MATCH (opcode, j_insn_32)
                                                /* J  */
       || MATCH (opcode, bc_insn_32)
@@ -12417,9 +12428,7 @@ check_relocated_bzc (bfd *abfd, const bfd_byte *ptr, bfd_vma offset,
   const Elf_Internal_Rela *irel;
   unsigned long opcode;
 
-  opcode   = bfd_get_16 (abfd, ptr);
-  opcode <<= 16;
-  opcode  |= bfd_get_16 (abfd, ptr + 2);
+  opcode = bfd_get_micromips_32 (abfd, ptr);
   if (find_match (opcode, bzc_insns_32) < 0)
     return FALSE;
 
@@ -12577,8 +12586,7 @@ _bfd_mips_elf_relax_section (bfd *abfd, asection *sec,
       if (irel->r_offset + 4 > sec->size)
        continue;
 
-      opcode  = bfd_get_16 (abfd, ptr    ) << 16;
-      opcode |= bfd_get_16 (abfd, ptr + 2);
+      opcode = bfd_get_micromips_32 (abfd, ptr);
 
       /* This is the pc-relative distance from the instruction the
          relocation is applied to, to the symbol referred.  */
@@ -12660,8 +12668,7 @@ _bfd_mips_elf_relax_section (bfd *abfd, asection *sec,
              continue;
            }
 
-         nextopc  = bfd_get_16 (abfd, contents + irel[1].r_offset    ) << 16;
-         nextopc |= bfd_get_16 (abfd, contents + irel[1].r_offset + 2);
+         nextopc = bfd_get_micromips_32 (abfd, contents + irel[1].r_offset);
 
          /* Give up unless the same register is used with both
             relocations.  */
@@ -12702,10 +12709,8 @@ _bfd_mips_elf_relax_section (bfd *abfd, asection *sec,
              nextopc = (addiupc_insn.match
                         | ADDIUPC_REG_FIELD (OP32_TREG (nextopc)));
 
-             bfd_put_16 (abfd, (nextopc >> 16) & 0xffff,
-                         contents + irel[1].r_offset);
-             bfd_put_16 (abfd,  nextopc        & 0xffff,
-                         contents + irel[1].r_offset + 2);
+             bfd_put_micromips_32 (abfd, nextopc,
+                                   contents + irel[1].r_offset);
            }
 
          /* Can't do anything, give up, sigh...  */
@@ -12739,8 +12744,7 @@ _bfd_mips_elf_relax_section (bfd *abfd, asection *sec,
                    | BZC32_REG_FIELD (reg)
                    | (opcode & 0xffff));               /* Addend value.  */
 
-         bfd_put_16 (abfd, (opcode >> 16) & 0xffff, ptr);
-         bfd_put_16 (abfd,  opcode        & 0xffff, ptr + 2);
+         bfd_put_micromips_32 (abfd, opcode, ptr);
 
          /* Delete the 16-bit delay slot NOP: two bytes from
             irel->offset + 4.  */
@@ -12805,8 +12809,7 @@ _bfd_mips_elf_relax_section (bfd *abfd, asection *sec,
          unsigned long n32opc;
          bfd_boolean relaxed = FALSE;
 
-         n32opc  = bfd_get_16 (abfd, ptr + 4) << 16;
-         n32opc |= bfd_get_16 (abfd, ptr + 6);
+         n32opc = bfd_get_micromips_32 (abfd, ptr + 4);
 
          if (MATCH (n32opc, nop_insn_32))
            {
@@ -12833,10 +12836,7 @@ _bfd_mips_elf_relax_section (bfd *abfd, asection *sec,
            {
              /* JAL with 32-bit delay slot that is changed to a JALS
                 with 16-bit delay slot.  */
-             bfd_put_16 (abfd, (jal_insn_32_bd16.match >> 16) & 0xffff,
-                         ptr);
-             bfd_put_16 (abfd,  jal_insn_32_bd16.match        & 0xffff,
-                         ptr + 2);
+             bfd_put_micromips_32 (abfd, jal_insn_32_bd16.match, ptr);
 
              /* Delete 2 bytes from irel->r_offset + 6.  */
              delcnt = 2;